Keyword Table

Keyword Definition Languages Category Notes

_ (underscore)

html

ABBR

html

ABSTRACT

c#, julia, rust, scala, agda, php, java

ACRONYM

html

ADD

ADDRESS

A new structure-related tag in HTML5 that defines an area for contact information for a page or section.

html

ALIAS

c#, ruby

ALIGN-CONTENT

Sets the alignment value for an entire row of direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.

css

ALIGN-ITEMS

Sets the alignment value for direct children. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.

css

ALIGN-SELF

Sets the alignment value for an element. In Flexbox, the alignment value refers to the cross axis. In Grid Layout, it refers to the alignment of items on the block axis within their grid area.

css

ALIGNAS

c++

ALIGNOF

queries alignment requirements of a type

c++, rust

Returns the alignment, in bytes

Operator

ALL

Returns true if all of the items in a given list are True

python, css

inbuilt function

ALWAYS

verilog

AND

will result into True only if both the operands are True

python, ocaml, afl, verilog, php, c++, ruby

Logical Operators

AND_EQ

Used as an alternative for &=

c++

Operator

ANIMATION

A shorthand property for defining animation between CSS styles

css

ANIMATION-COUNT

css

ANIMATION-DELAY

Sets when an animation starts

css

ANIMATION-DIRECTION

Sets whether an animation plays forwards, backwards, alternating, or reverse-alternating

css

ANIMATION-DURATION

Sets the length of time that an animation takes

css

ANIMATION-TIMING-FUNCTION

Sets a function that defines how an animation progresses through an animation cycle

css

ANIMATION-FILL-MODE

Sets how an animation applies CSS styles before and after the animation

css

ANIMATION-NAME

Sets one or more animation names for an element. Names refer to a @keyframes rule that defines the properties of an animation itself.

css

ANIMATION-PLAY-STATE

Sets whether an animation is running or paused

css

ANY

typescript, python

APPLET

Defines an embedded applet. This tag is not support in HTML5. Use instead.

html

AREA

html

ARGUMENTS

javascript

ARRAY

php

ARTICLE

This tag defines an article, such as a magazine or newspaper article, blog post, or

similar content.

html

used to create an alias while importing a module, giving a different name to a module while importing it

c#, swift, python, rust, ocaml, typescript, php, haskell

References

ASCENDING

ASIDE

This tag defines content that’s separate from but related to the page content; similar

to a sidebar in book chapters and magazine articles.

html

ASM

used to embed assembly language source code within a C++ program

c++

Declaration

ASR

ocaml

ASSERT

used for debugging purposes by checking the internal state or if assumptions are true

ocaml, java, python

Debugging

ASSIGN

verilog

ASSOCIATEDTYPE

swift

ASSOCIATIVITY

swift

ASYNC

coroutine keywords that denote the beginning of an asynchronous function (work in parallel). Usually followed by await keyword.

c#, python

User Defined Structures

ATOMIC_CANCEL

c++

ATOMIC_COMMIT

c++

ATOMIC_NOEXCEPT

c++

AUDIO

html

AUTO

specifies that the return type will be deduced from its return statements

c++, c

Type specifier

AVAILABLE

AWAIT

coroutine keywords that denote the beginning of a promise within an asynchronous function.

c#, javascript, python

User Defined Structures

There can be as many await keywords within a function as needed.

Used for bold text in an HTML document

html

BACKFACE-VISIBILITY

It is used to determine whether the back of the element is visible when it has been rotated and its back is facing the user

css

BACKGROUND

css

BACKGROUND-ATTACHMENT

css

BACKGROUND-CLIP

lets you control how far a background image or color extends beyond an element's padding or content

css

BACKGROUND-COLOR

applies solid colors as background on an element

css

BACKGROUND-IMAGE

applies a graphic or gradient to the background of an element

css

BACKGROUND-MODE

css

BACKGROUND-ORIGIN

css

BACKGROUND-POSITION

css

BACKGROUND-REPEAT

if the background image property is specified, it defines how it will repeat

css

BACKGROUND-SIZE

css

BAREMODULE

julia

BASE

c#, html

BASEFONT

html

BDI

html

BDO

html

BECOME

rust

BEGIN

julia, verilog, ocaml, ruby

BIG

html

BITAND

used as an alternative for &

c++

Logical operator

BITOR

used as an alternative for

c++

BITSTYPE

julia

BLOCKQUOTE

html

BODY

Marks the content of the page that gets rendered on the browser. It can have paragraphs, headings, tables, images etc.

html

References

BOOL

c#, c++, python

BOOLEAN

A binary value commonly used to denote 'true' or 'false'

typescript, java

'truth-values'

BORDER

Used to specify color, image, width, spacing etc. of the border around an element

css

BORDER-BOTTOM

Used to set the style of bottom border of element. e.g. h1 {border-bottom: 10px solid black;}

css

BORDER-COLLAPSE

Used usually to define border property of cells in a table, to set whether the border of cells should collapse or remain separate. e.g. #table1{border-collapse: separate;}

css

BORDER-COLOR

Used to set the color of the border. It can accept single or multiple values. If a single value is mentioned then all the border sides are of that color otherwise its dependent on the order in which colors are specified. e.g. div {border-color: red;}. It can also accept hexadecimal color codes

css

BORDER-IMAGE

css

BORDER-LEFT

Used to specifically set the left border of an element.

css

BORDER-OUTSET

css

BORDER-RADIUS

css

BORDER-REPEAT

css

BORDER-RIGHT

Used to specifically set the right border of an element.

css

BORDER-SLICE

css

BORDER-SOURCE

css

BORDER-SPACING

Used to set spacing between the borders of adjacent cells. This property works when the border-collapse property is set to separate. e.g. {border-collapse: separate; border-spacing: 20px;} This would set spacing of 20px between table cells from all sides.

css

BORDER-STYLE

Used to set the style of the border around four sides of an element.

css

BORDER-TOP

Used to specifically set the top border of an element.

css

BORDER-WIDTH

Poperty is used to specify the width of the four borders around an element.

css

BOTTOM

css

BOX

rust

BOX-BREAK

css

BOX-SHADOW

css

BOX-SIZING

css

html

BREAK

used to alter the loop's normal behavior; this will end the smallest loop it is in and control flows to the statement immediately below the loop

c#, java, swift, javascript, python, julia, golang, rust, c, typescript, afl, php, c++, ruby

Loops

BREAK-AFTER

css

BREAK-BEFORE

css

BREAK-INSIDE

css

BROKEN

BUF

verilog

BUFIF0

verilog

BUFIF1

verilog

BUG

BUTTON

html

BYTE

Unit of measuring memory space. 1 Byte = 8 bits.

c#, java, c++, c

CALLABLE

callable function checks and returns True if the object passed appears to be callable, otherwise False.

php, python

inbuilt function

There may be few cases where callable() returns true, but the call to object fails. But if a case returns False, calling object will never succeed.

CANVAS

html

CAPTION

html

CAPTION-SIDE

css

CARET-COLOR

css

CASE

Used in switch statements. Each case keyword is followed by a possible value for the condition

c#, java, swift, javascript, golang, php, bash, scala, typescript, afl, verilog, c++, haskell, c, ruby

CASEX

verilog

CASEZ

verilog

CATCH

Used along with try to handle an exception thrown in try block. Catch block contains code to handle the specific exception thrown.

c#, swift, javascript, julia, php, scala, typescript, c++, java

Exceptions

CENTER

Used as the property value to center the text of the element. e.g. div {text-align: center;} would align the text in this element to center.

html

CHAN

golang

CHAR

shorthand for 'character'. Char size can be encoding dependent.

c++, java, c, c#

CHAR16_T

type for UTF-16 character representation, required to be large enough to represent any UTF-16 code unit (16 bits)

c++

CHAR32_T

type for UTF-32 character representation, required to be large enough to represent any UTF-32 code unit (32 bits)

c++

CHECKED

CHGME

CITE

html

CLASS

used to define a new user-defined class - which is a collection of related attributes and methods that try to represent a real world situation

c#, swift, javascript, python, php, ocaml, scala, typescript, c++, haskell, java, ruby

User Defined Structures

CLEAR

css

CLIP

css

CLONE

Creates a copy of an object. Often is a shallow clone, which copies top level attributes. Deep clones copy object attributes recursively.

php

CMOS

verilog

CODATA

agda

CODE

html

COINDUCTIVE

agda

COL

html

COLGROUP

html

COLOR

css

COLUMN

COLUMN-COLOR

css

COLUMN-COUNT

css

COLUMN-FILL

css

COLUMN-GAP

css

COLUMN-RULE

css

COLUMN-SPAN

Property is used to specify the number of columns an element would span across.

css

COLUMN-STYLE

css

COLUMN-WIDTH

Property is used to specify the width of the column.

css

COLUMNS

css

COMMENT

COMPL

c++

CONCEPT

c++

CONST

Short for constant, a variable marked 'const' typically cannot be changed

c#, java, javascript, julia, golang, rust, c, typescript, php, c++

'Variable Declarations'

CONST_CAST

c++

CONSTEXPR

c++

CONSTRAINT

ocaml

CONSTRUCTOR

An object's self defined method in creating an instance of said object

typescript, agda

'Function Properties'

CONTENT

css

CONTINUE

used to alter the loop's normal behavior; causes to end the current iteration of the loop, but not the whole loop

c#, java, swift, javascript, python, julia, golang, rust, c, typescript, afl, php, c++

Loops

CONVENIENCE

swift

COUNTER-INCREMENT

css

COUNTER-RESET

css

CRATE

rust

CURSOR

css

DATA

haskell, agda, html

DATALIST

html

DEASSIGN

verilog

DEBUG

DEBUGGER

typescript, javascript

DECIMAL

DECLARE

php, typescript

DECLTYPE

c++

DEF

used to define a new user-defined function

scala, ruby, python

User Defined Structures

DEFAULT

Denotes either a default behaviour in a switch statement, or a default operator/value

c#, java, swift, javascript, golang, c, typescript, afl, verilog, php, haskell, c++

DEFER

swift, golang

DEFINE

DEFINED

DEFINED?

ruby

DEFPARAM

verilog

DEINIT

swift

DEL

used to delete the reference to an object

python, html

References

DELEGATE

DELETE

Delete an object property or reference

typescript, c++, javascript

'References'

DEPRECATED

DERIVING

haskell

DESCENDING

DETAILS

The tag contains additional details pertinent to text around it; creates an interactive

widget a user can display or hide.

html

DFN

html

DIALOG

html

DIDSET

swift

DIE

php

DIR

dir function in Python3 returns list of the attributes and methods of any object

python, html

inbuilt function

DIRECTION

css

DIRNAME

DISABLE

verilog

DISPLAY

css

DIV

html

c#, java, swift, javascript, julia, rust, c, bash, ocaml, agda, afl, scala, typescript, php, haskell, c++, ruby

DOCTYPE

DONE

bash, ocaml

DOUBLE

c++, java, c, c#

DOWNTO

ocaml

html

DYNAMIC

c#, swift

DYNAMIC_CAST

c++

DYNAMICTYPE

swift

ECHO

php

EDGE

verilog

ELIF

short for "else if" used for conditional branching or decision making

bash, python

Loops

ELSE

used for conditional branching or decision making if the condition is false; the last resort

c#, java, swift, javascript, python, julia, golang, php, rust, bash, ocaml, scala, afl, typescript, verilog, c++, haskell, c, ruby

Loops

ELSEIF

short for "else if" used for conditional branching or decision making

php

Loops

ELSIF

short for "else if" used for conditional branching or decision making

ruby

Loops

html

EMBED

html

EMPTY

php

EMPTY-CELLS

css

END

julia, verilog, ocaml, ruby

ENDCASE

verilog

ENDDECLARE

php

ENDFOR

php

ENDFOREACH

php

ENDFUNCTION

verilog

ENDIF

php

ENDMODULE

verilog

ENDPRIMITIVE

verilog

ENDSPECIFY

verilog

ENDSWITCH

php

ENDTABLE

verilog

ENDTASK

verilog

ENDWHILE

php

ENSURE

ruby

ENUM

User defined collection of constant values

c#, java, swift, javascript, rust, c, typescript, c++

User Defined Structures

ERR

ERROR

ESAC

bash

ETA-EQUALITY

agda

EVAL

php, javascript, python

EVENT

c#, verilog

EXCEPT

used with exceptions, where try...except blocks are used to catch exceptions if they fail the try set of instructions

python

Exceptions

EXCEPTION

ocaml

EXIT

php

EXPLICIT

c#, c++

EXPORT

typescript, julia, c++, javascript

EXPORTS

node

EXTENDS

javascript, typescript, scala, php, java

EXTENSION

swift

EXTERN

Used to tell compiler that the used variable/ function is defined outside the current scope.

c++, c, c#, rust

Variable Declarations

EXTERNAL

ocaml

FALLTHROUGH

swift, golang

FALSE

Boolean logic for what is considered false

c#, swift, javascript, python, julia, rust, ocaml, scala, typescript, c++, ruby

truth-values

FALSEABSTRACT

Used to specify the end of the commands that need to be run once the if condition is satisfied. if...then...fi

bash

FIELD

agda

FIELDSET

html

FIGCAPTION

html

FIGURE

html

FILE

FILENAME

FILTER

The filter() function in python filters the given sequence with the help of a function that tests each element in the sequence to be true or not

python, css

inbuilt function

FINAL

swift, c++, rust, scala, php, java

FINALLY

used with try...except statements to close up resources or file streams. This ensures that the block of code inside it gets executed even if there is an unhandled exception

c#, javascript, python, julia, scala, typescript, java

Exceptions

FIXED

FLEX

css

FLEX-BASIS

css

FLEX-DIRECTION

css

FLEX-FLOW

css

FLEX-GROW

css

FLEX-SHRINK

css

FLEX-WRAP

css

FLOAT

Floating point precision number (Number with a decimal)

c#, java, python, c, css, c++

Variable Declaration

rust

FONT

html, css

FONT-ADJUST

css

FONT-ALTERNATES

css

FONT-ASIAN

css

FONT-CAPS

css

FONT-FAMILY

css

FONT-KERNING

css

FONT-LIGATURES

css

FONT-NUMERIC

css

FONT-OVERRIDE

css

FONT-POSITION

css

FONT-SETTINGS

css

FONT-SIZE

css

FONT-STRETCH

css

FONT-STYLE

css

FONT-SYNTHESIS

css

FONT-VARIANT

css

FONT-WEIGHT

css

FOOTER

This tag defines a footer for a document or section; may include the document

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Last updated 6 months ago